That's my nickname for what former Nebraska receiver Stanley Morgan Jr. often did to defenders after he caught a pass. He was excellent when running with the ball after a catch, in part because he fought off would-be tacklers so effectively. His stiff arm will come in handy in the NFL. Yes, Morgan will play in the NFL.
There's a symbolic element to that stiff-arm move in that Morgan stiff-armed the sort of trouble a young man can easily find in New Orleans, his hometown.
In an interview last week, Morgan recalled a locker-room scene in mid-November of 2017 in State College, Pennsylvania.